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What is the Least Common Multiple of 86680 and 86685?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 86680 and 86685 is 1502771160.

LCM(86680,86685) = 1502771160

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Least Common Multiple of 86680 and 86685 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 86680 and 86685, than apply into the LCM equation.

GCF(86680,86685) = 5
LCM(86680,86685) = ( 86680 × 86685) / 5
LCM(86680,86685) = 7513855800 / 5
LCM(86680,86685) = 1502771160

Least Common Multiple (LCM) of 86680 and 86685 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 86680 and 86685. First we will calculate the prime factors of 86680 and 86685.

Prime Factorization of 86680

Prime factors of 86680 are 2, 5, 11, 197. Prime factorization of 86680 in exponential form is:

86680 = 23 × 51 × 111 × 1971

Prime Factorization of 86685

Prime factors of 86685 are 3, 5, 5779. Prime factorization of 86685 in exponential form is:

86685 = 31 × 51 × 57791

Now multiplying the highest exponent prime factors to calculate the LCM of 86680 and 86685.

LCM(86680,86685) = 23 × 51 × 111 × 1971 × 31 × 57791
LCM(86680,86685) = 1502771160